Cutting hair was NOT a covenant. Maybe long hair got in the way of a man's work. Paul is talking about Israelites at a certain time and place, not artists in later centuries.
Leviticus 24
The Lord said to Moses: 2 Command the Israelites to bring pure, pressed olive oil to you for the lamp, to keep a light burning constantly. 3 Aaron will tend the lamp, which will be inside the meeting tent but outside the inner curtain of the covenant document, from evening until morning before the Lord.
This is a permanent rule throughout your future generations. 4 Aaron must continually tend the lights on the pure lampstand[
a] before the Lord.
You fuss about a scruple that was not intended for all time but don't have a sanctuary lamp that is.
When you admire a painting, you, by default, complement the painter.
The "call no man father" crowd reads into scripture what isn't there. That is a repetitive
canard that pops up 3 times a week, and the rebuttal falls on deaf ears.